package com.alias;

import org.hibernate.HibernateException;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class HibernateUtil {
    private static final SessionFactory ourSessionFactory;

    static {
        try {
            ourSessionFactory = new Configuration().configure().buildSessionFactory();
        } catch (Throwable ex) {
            throw new ExceptionInInitializerError(ex);
        }
    }

    public static SessionFactory getSessionFactory() throws HibernateException {
        return ourSessionFactory;
    }
//
//    public void hibernateMapping() throws Exception {
//        final Session session = getSession();
//        try {
//            System.out.println("querying all the managed entities...");
//            final Map metadataMap = session.getSessionFactory().getAllClassMetadata();
//            for (Object key : metadataMap.keySet()) {
//                final ClassMetadata classMetadata = (ClassMetadata) metadataMap.get(key);
//                final String entityName = classMetadata.getEntityName();
//                final Query query = session.createQuery("from " + entityName);
//                System.out.println("executing: " + query.getQueryString());
//                for (Object o : query.list()) {
//                    System.out.println("  " + o);
//                }
//            }
//        } finally {
//            session.close();
//        }
//    }
}
